1786-05-6 2H-1-Benzopyran-2-one, 4-hydroxy-3-phenyl- 4-Hydroxy-3-phenyl-2H-1-benzopyran-2-one 4-Hydroxy-3-phenylcoumarin 5-18-02-00279 (Beilstein Handbook Reference) BRN 1285893 COUMARIN, 4-HYDROXY-3-PHENYL- NSC 251152